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/*
* The Mana Server
* Copyright (C) 2007-2010 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana Server is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana Server. If not, see <http://www.gnu.org/licenses/>.
*/
#include "game-server/buysell.h"
#include "game-server/character.h"
#include "game-server/gamehandler.h"
#include "game-server/inventory.h"
#include "game-server/itemmanager.h"
#include "game-server/item.h"
#include "net/messageout.h"
#include "common/defines.h"
#include <algorithm>
BuySell::BuySell(Character *c, bool sell):
mCurrencyId(ATTR_GP), mChar(c), mSell(sell)
{
c->setBuySell(this);
}
BuySell::~BuySell()
{
mChar->setBuySell(NULL);
}
void BuySell::cancel()
{
delete this;
}
bool BuySell::registerItem(int id, int amount, int cost)
{
if (mSell)
{
int nb = Inventory(mChar).count(id);
if (nb == 0)
return false;
if (!amount || nb < amount)
amount = nb;
}
TradedItem it = { id, amount, cost };
mItems.push_back(it);
return true;
}
int BuySell::registerPlayerItems()
{
if (!mSell)
return 0;
int nbItemsToSell = 0;
// We parse the player inventory and add all item
// in a sell list.
const InventoryData &inventoryData = mChar->getPossessions().getInventory();
for (InventoryData::const_iterator it = inventoryData.begin(),
it_end = inventoryData.end(); it != it_end; ++it)
{
unsigned int nb = it->second.amount;
if (!nb)
continue;
int id = it->second.itemId;
int cost = -1;
if (itemManager->getItem(id))
{
cost = itemManager->getItem(id)->getCost();
}
else
{
LOG_WARN("registerPlayersItems(): The character Id: "
<< mChar->getPublicID() << " has unknown items (Id: " << id
<< "). They have been ignored.");
continue;
}
if (cost < 1)
continue;
// We check if the item Id has been already
// added. If so, we cumulate the amounts.
bool itemAlreadyAdded = false;
for (TradedItems::iterator i = mItems.begin(),
i_end = mItems.end(); i != i_end; ++i)
{
if (i->itemId == id)
{
itemAlreadyAdded = true;
i->amount += nb;
break;
}
}
if (!itemAlreadyAdded)
{
TradedItem itTrade = { id, nb, cost };
mItems.push_back(itTrade);
nbItemsToSell++;
}
}
return nbItemsToSell;
}
bool BuySell::start(Actor *actor)
{
if (mItems.empty())
{
cancel();
return false;
}
MessageOut msg(mSell ? GPMSG_NPC_SELL : GPMSG_NPC_BUY);
msg.writeInt16(actor->getPublicID());
for (TradedItems::const_iterator i = mItems.begin(),
i_end = mItems.end(); i != i_end; ++i)
{
msg.writeInt16(i->itemId);
msg.writeInt16(i->amount);
msg.writeInt16(i->cost);
}
mChar->getClient()->send(msg);
return true;
}
void BuySell::perform(int id, int amount)
{
Inventory inv(mChar);
for (TradedItems::iterator i = mItems.begin(),
i_end = mItems.end(); i != i_end; ++i)
{
if (i->itemId != id) continue;
if (i->amount && i->amount <= amount) amount = i->amount;
if (mSell)
{
amount -= inv.remove(id, amount);
mChar->setAttribute(mCurrencyId,
mChar->getAttribute(mCurrencyId) +
amount * i->cost);
}
else
{
amount = std::min(amount, ((int) mChar->getAttribute(mCurrencyId)) / i->cost);
amount -= inv.insert(id, amount);
mChar->setAttribute(mCurrencyId,
mChar->getAttribute(mCurrencyId) -
amount * i->cost);
}
if (i->amount)
{
i->amount -= amount;
if (!i->amount)
{
mItems.erase(i);
}
}
return;
}
}
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